66 lines
1.8 KiB
Python
66 lines
1.8 KiB
Python
"""History sync background task.
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Periodically copies new records from the fail2ban sqlite database into the
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BanGUI application archive table to prevent gaps when fail2ban purges old rows.
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"""
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from __future__ import annotations
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import datetime
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from typing import TYPE_CHECKING
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import structlog
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from app.services import history_service
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from app.tasks.db import task_db
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from app.utils.runtime_state import get_effective_settings
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if TYPE_CHECKING:
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from fastapi import FastAPI
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from app.config import Settings
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log: structlog.stdlib.BoundLogger = structlog.get_logger()
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#: Stable APScheduler job id.
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JOB_ID: str = "history_sync"
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#: Interval in seconds between sync runs.
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HISTORY_SYNC_INTERVAL: int = 300
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#: Backfill window when archive is empty (seconds).
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BACKFILL_WINDOW: int = 648000
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async def _run_sync_with_settings(settings: Settings) -> None:
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socket_path: str = settings.fail2ban_socket
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try:
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async with task_db(settings) as db:
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synced = await history_service.sync_from_fail2ban_db(db, socket_path)
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log.info("history_sync_complete", synced=synced)
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except Exception:
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log.exception("history_sync_failed")
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async def _run_sync(app: FastAPI) -> None:
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await _run_sync_with_settings(get_effective_settings(app))
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def register(app: FastAPI) -> None:
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"""Register the history sync periodic job.
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Should be called after scheduler startup, from the lifespan handler.
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"""
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settings = get_effective_settings(app)
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app.state.scheduler.add_job(
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_run_sync_with_settings,
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trigger="interval",
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seconds=HISTORY_SYNC_INTERVAL,
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kwargs={"settings": settings},
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id=JOB_ID,
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replace_existing=True,
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next_run_time=datetime.datetime.now(tz=datetime.UTC),
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)
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log.info("history_sync_scheduled", interval_seconds=HISTORY_SYNC_INTERVAL)
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